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irinina [24]
3 years ago
15

The volume of a cone-shaped dessert is 10 CUBIC CENTIMETRES.

Mathematics
1 answer:
allochka39001 [22]3 years ago
8 0

Answer:

3. 2.4 c.m

The height of the cone 'h' = 2.4 c.m

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given radius of the cone = 2 cm</em>

Given data

The volume of a cone-shaped dessert is 10 cubic centimetres

<em>The Volume of the Cone </em>

<em>                           </em>V = \frac{1}{3} \pi r^{2}h<em></em>

                        10 = \frac{1}{3} X 3.14 X (2)^{2} X h

  cross multiplication , we get

                  h = \frac{ 3 X 10}{3.14 X 4}

                 h =  2.388 ≅ 2.4 c.m

<em>The height of the cone 'h' = 2.4 c.m</em>

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El costo de producir 10 juegos de video al día es de 350 dólares , mientras que producir 30 juegos del mismo tipo al día cuestan
Dovator [93]

Answer:

El coste de producir un juego de vídeo es de 125 dólares.

Step-by-step explanation:

(This exercise is written in Spanish and is incomplete. Complete statement will be presented below)

El costo de producir 10 juegos de video al día es de 350 dólares , mientras que producir 30 juegos del mismo tipo al día cuestan 850 dólares . Si suponemos un modelo lineal como el descrito anteriormente , determine:

¿Cuál es el costo de producir un juego de vídeo?

(Explanation will be held in Spanish)

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y = a\cdot x + b

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x - Variable independiente (eje x - Cantidad de juegos de vídeo producidos - Adimensional)

y - Variable dependiente (eje y - Coste de producción de juegos de vídeo - Dólares)

a - Pendiente de la función.

b - Intercepto en el eje y.

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10\cdot a + b = 350

30 \cdot a + b = 850

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La ecuación lineal es:

y = 25\cdot x +100

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y = 25 \cdot (1) + 100

y = 125

El coste de producir un juego de vídeo es de 125 dólares.

7 0
4 years ago
The square of nine less than a number is three less than the number. What is the number ?
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_____
Check:
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.. (12 -9)^2 = 3^2 = 9 = 12 -3 . . . . answer checks OK
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